Home / 302,725.20-454,087.80-196,280.40

Finding the Fourth Proportional to 302,725.20, 454,087.80 and 196,280.40

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Solution

The fourth proportional to 302,725.20, 454,087.80 and 196,280.40 is: 294,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,725.20 : 454,087.80 = 196,280.40 : x
  2. Step 2: Convert to fraction form
    302,725.20/454,087.80 = 196,280.40/x
  3. Step 3: Cross multiply
    302,725.20x = 454,087.80 × 196,280.40
  4. Step 4: Simplify right side
    302,725.20x = 89,128,535,019.12
  5. Step 5: Solve for x
    x = 89,128,535,019.12/302,725.20
  6. Step 6: Final answer
    x = 294,420.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.